TET Class 12 Science Solved Question Paper 2018

Multiple Choice Questions

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Which one of the following is not a source of energy?

  • Protein

  • Fat

  • Vitamin

  • Carbohydrate

C.

Vitamin

Vitamins are not sources of energy. A vitamin is an organic molecule that is an essential micronutrient that an organism needs in small quantities for the proper functioning of its metabolism. Protein, fat, and carbohydrates are substrates for cellular respiration to provide energy to a living cell system.

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    Which one of the following is not a non-communicable disease?

    • Hypertension

    • Arthritis

    • Rickets

    • Cholera

    Answer

    Which one of the following is not a natural fibre?

    • Silk

    • Acrylic

    • Cotton

    • Jute

    Answer

    True fruits develop from

    • thalamus

    • petal

    • ovary

    • sepal

    Answer

    Ginger is the modification of

    • root

    • leaf

    • stem

    • fruit

    Answer
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    Which of the following is not a micronutrient?

    • Sodium

    • Copper

    • Silicon

    • Calcium

    Answer

    Penicillin antibiotic is obtained from

    • fungi

    • algae

    • bacteria

    • blue-green algae

    Answer

    The coding segment of DNA is called

    • muton

    • intron

    • codon

    • exon

    Answer

    Plant which reproduces by means of spores instead of seeds is

    • coriander

    • fern

    • mustard

    • petunia

    Answer
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    The element, essential for synthesis of protein in plants, is

    • copper

    • nitrogen

    • magnesium

    • iron

    Answer